Where does “質量中心” come from?
質量中心 (Japanese) comes from Japanese 中心, from Japanese 心, from Old Japanese 心, from Proto-Japonic *kəkərə — heart.
質量中心 (Japanese): a center of mass
Definitions
- a center of mass
Ancestry of “質量中心”, step by step
質量中心 traces back through two separate lines of ancestry.
via Japanese 中心
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Japanese | 中心 | center, middle, heart, core; center, hub; crux,... |
| 2 | Japanese | 心 | mind, heart, spirit, soul; thoughts, ideas;... |
| 3 | Old Japanese | 心 | heart, mind, spirit; emotion, feeling; heart,... |
| 4 | Proto-Japonic | *kəkərə | heart |
via Japanese 質量
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Japanese | 質量 | mass; quality and quantity |